Research Article
M-Polynomials and Degree-Based Topological Indices of Triangular, Hourglass, and Jagged-Rectangle Benzenoid Systems
Table 2
Topological indices of benzenoid hourglass for different values of p.
| | Name of index | p = 1 | p = 2 | p = 3 | p = 4 | p = 5 |
| | M-polynomial | | | | | | | First Zagreb Index | 36 | 132 | 264 | 432 | 636 | | Second Zagreb Index | 44 | 170 | 350 | 584 | 872 | | Modified second Zagreb Index | 1.777777778 | 4.444444444 | 7.777777778 | 11.77777778 | 16.44444444 | | Randić Index for | 92.81601318 | 198.9976439 | 323.1792746 | 465.3609054 | 625.5425361 | | Inverse Randić Index for | 3.648129059 | 8.097618797 | 14.54710855 | 22.99659829 | 33.44608803 | | Symmetric Division Index | 15.33333333 | 53.33333333 | 103.3333333 | 165.3333333 | 239.3333333 | | Harmonic Index | 3.733333333 | 10.53333333 | 19.33333333 | 30.13333333 | 44.26666667 | | Inverse Sum Index | 9.200000000 | 32.60000000 | 65 | 106.4000000 | 156.8000000 | | Augmented Zagreb Index | 77.56250000 | 241.9062500 | 474.5937500 | 775.6250000 | 1145 |
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